TIMCO Self-Drilling Light Section Composite Panel A2 Stainless Steel Bi-Metal Screws with EPDM Washer,All Sizes,100pcs Size:5.5/6.3 x 70 if you are a Medium

if you are a Medium we recommend sizing up to Large

Capacity: Concrete: 40mm

and a range of other materials

padded tongue and collar for increased all-day comfort

TIMCO Self-Drilling Light Section Composite Panel A2 Stainless Steel Bi-Metal Screws with EPDM Washer,All Sizes,100pcs Size:5.5/6.3 x 70 if you are a MediumBox of 100TIMCO Self Drilling Light Section Composite Panel A2 Stainless Steel Bi Metal Screws with EPDM Washer 5. 5 6. 3 x 100 Specifically designed to attach composite panel to light section steel (Max. 5mm). Self drilling point with hexagon head and split thread. C Screw Hex W16 S Drill BIMET Hardened carbon steel drill tip fused on to an A2 304 Austenitic Stainless Steel body