Description Torx Bit T25 1/4″ Shank. Fits the following Gulso Bolts 3/8″: PART NO. ITEM IMAGE KMHF-GBR-3/8 Gulso Bolts 3/8″ Head, Machined Brass KMHF-GSS-3/8 Gulso Bolts 3/8″ Head, Machined Stainless Steel KMHF-GB-3/8 Gulso Bolts 3/8″ Head, Steel with Black Oxide Finish